18. Question

Simple interest on a sum at 4% per annum for 2 years is Rs.80. The C.I. on the same sum for the same period is?

Rs.81.60

Rs.160

Rs.1081.60

Rs.99

Correct

SI = 40 + 40
CI = 40 + 40 + 1.6 = 81.6

Incorrect

SI = 40 + 40
CI = 40 + 40 + 1.6 = 81.6

Question 19 of 50

19. Question

The two trains of lengths 400 m, 600 m respectively, running at same directions. The faster train can cross the slower train in 180 sec, the speed of the slower train is 48 km. then find the speed of the faster train?

32. Question

If a: b = 3:4, b:c = 7:9, c:d = 5:7, find a:d?

5:12

7:12

3:11

5:11

Correct

a/d = (3/4)*(7/9)*(5/7) => 5/12

Incorrect

a/d = (3/4)*(7/9)*(5/7) => 5/12

Question 33 of 50

33. Question

A train travelled from station P to Q in 8 hours and came back from station Q to P is 6 hours. What would be the ratio of the speed of the train while traveling from station P to Q to that from station Q to P?

4 : 3

9 : 16

16 : 9

3 : 4

None of these.

Correct

Since S # 1/t
S1 : S2 = 1/t1 : 1/t2 = 1/8 : 1/6 = 3 : 4

Incorrect

Since S # 1/t
S1 : S2 = 1/t1 : 1/t2 = 1/8 : 1/6 = 3 : 4

Question 34 of 50

34. Question

150 men consume 1050 kg of rice in 30 days. In how many days will 70 men consume 980 kg of rice?

35. Question

A and B entered into a partnership investing Rs.25000 and Rs.30000 respectively. After 4 months C also joined the business with an investment of Rs.35000. What is the share of C in an annual profit of Rs.47000?

Rs.18000

Rs.15000

Rs.17000

Rs.14000

Correct

25*12: 30*12: 35*8
15:18:14
14/47 * 47000 = 14000

Incorrect

25*12: 30*12: 35*8
15:18:14
14/47 * 47000 = 14000

Question 36 of 50

36. Question

By selling an umbrella for Rs. 300, a shop keeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. His gain percent during the sale is: